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This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4), tuned to 440 Hz (referred to as A440). [1] [2] Every octave is made of twelve steps called semitones.
The "broken octave", a variation of the aforementioned short octave, similarly used split keys to add accidentals left out of the short octave. Other examples of variations in keyboard design include the Jankó keyboard and the chromatic keyboard systems on the chromatic button accordion and bandoneón.
In music, an octave (Latin: octavus: eighth) or perfect octave (sometimes called the diapason) [2] is a series of eight notes occupying the interval between (and including) two notes, one having twice the frequency of vibration of the other. The octave relationship is a natural phenomenon that has been referred to as the "basic miracle of music ...
The octave below tenor C is called the "great" octave. Notes in it and are written as upper case letters. The next lower octave is named "contra". Notes in it include a prime symbol below the note's letter. Names of subsequent lower octaves are preceded with "sub". Notes in each include an additional prime symbol below the note's letter.
A "15" below indicates a two-octave shift. These numbers may also be used above the clef to indicate pitches one or two octaves higher. A treble clef with an eight below is the most common version, typically used in music for guitar or tenor voice. Sometimes a shift of one octave up is indicated by drawing two clefs instead of one. On a 5-line ...
The lower keyboard has the usual 88 keys, whilst the upper keyboard has 76 keys. When the upper keyboard is played, an internal mechanism pulls down the corresponding key on the lower keyboard, but an octave higher. This lets a pianist reach two octaves with one hand, impossible on a conventional piano.
These printable keyboard shortcut symbols will make your life so much easier. The post 96 Shortcuts for Accents and Symbols: A Cheat Sheet appeared first on Reader's Digest.
An 88-key piano keyboard, with the octaves numbered and middle C (cyan) and A440 (yellow) highlighted The table below gives notation for pitches based on standard piano key frequencies : standard concert pitch and twelve-tone equal temperament .